Ledge Couloir Size 1

Observed Apr 2, 2023, 5:00 p.m. PDT · Southwest Coast

This report was submitted with an older form.

Photo of the crown about 30-40cm at the largest spot.

Quick report

Weather
Cloudy, Stormy
Ride type
Convex slopes, Steep slopes
Riding quality
Amazing
Snow conditions
Deep powder
Avalanche conditions
Avalanche condition snow

Avalanche report

Comment
Lots of storm snow lower down (30+cm) which formed into a bit of a wind slab half way up the couloir. Slide started at convexity when skinning up (snow was too deep to boot pack). Unsure on the characteristics of the weak layer was that caused the poor bonding.
Run length
40
Slab width
3
Trigger type
Skier
Avalanche size
1
Slab thickness
30
Trigger sub type
Accidental
Start zone aspect
N
Vegetation cover
Open slope
Start zone incline
40
Avalanche character
Wind slab, Loose dry, Storm slab
Number of avalanches
1
Start zone elevation
1650
Runout zone elevation
1550
Avalanche observation
12hrsAgo
Start zone elevation band
Alp
Avalanche occurrence datetime
2023-04-03T00:02:00.000Z

Snowpack report

Obs type
Summary
Test initiation
None
Cracking observed
No
Whumpfing observed
No

Weather report

Wind speed
Wind speed light
Blowing snow
Moderate
Sky condition
Fog
Storm start date
2023-03-31
Temperature trend
Steady
Precipitation type
Snow

Incident report

Group size
3
Description
All 3 members of the group slid with the avalanche for about 15-30m. Everyone was able to find themselves upright at the end, after being swept over, with snow up to the knees when it stopped.
Terrain trap
No trap
Group activity
Skiing
Number injured
0
Number involved
3
Number caught only
3
Number fully buried
0
Snow depth trigger point
Variable
Terrain shape trigger point
Convex
Number partly buried able breathing
0
Number partly buried impaired breathing
0